http://www.amazon.com/Sharpie-Sanfor.../dp/B00396ZO6M
"draw" over the etching several times, let it dry, wipe with solvent.
Printable View
http://www.amazon.com/Sharpie-Sanfor.../dp/B00396ZO6M
"draw" over the etching several times, let it dry, wipe with solvent.